Brownells A1 Carbine Barrel Assembly 11.5in 1-12 Assembly

Description

Product Overview

Build an XM177-style or other lightweight retro AR-15 carbine with the Brownells A1 Carbine Barrel Assembly. This 11.5-inch, carbine-length gas barrel assembly is threaded 1/2-28 and features a chrome-lined chamber and bore for durability and corrosion resistance. The package includes the A1-pattern front sight base components and the delta ring group parts needed to complete a retro-style upper.

Key Features

• 11.5-inch carbine-length gas barrel for lightweight retro AR builds
• 1-12 twist rifling matched to the provided A1 assembly configuration
• Chrome-lined chamber and bore for improved wear and corrosion resistance
• 1/2-28 TPI muzzle threads for standard AR muzzle devices
• .625-inch front sight base with no F marks and included sight base components
• Delta ring group, barrel nut, and round handguard cap installed for a complete assembly

Add the Brownells A1 Carbine Barrel Assembly to your retro upper build for the period-correct look and reliable, chrome-lined barrel performance.